Nokia770-49:/etc/ppp/peers# pppd call gprs
Press CTRL-C to close the connection at any stage!
defining PDP context...
Serial connection established.
using channel 1
Using interface ppp0
Connect: ppp0 <--> /dev/rfcomm0
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x9cb87de> <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x9cb87de> <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x9cb87de> <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x9cb87de> <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x9cb87de> <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x9cb87de> <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x9cb87de> <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x9cb87de> <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x9cb87de> <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x9cb87de> <pcomp> <accomp>]
LCP: timeout sending Config-Requests
Connection terminated.
Receive serial link is not 8-bit clean:
Problem: all had bit 7 set to 0

Sending break to the modem

PDP context detached
Serial link disconnected.